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Astronomy > Filters > Nebulae filters > H-Alpha Filters > Optolong > Optolong Filters H-alpha 3nm 2"

Optolong Filters H-alpha 3nm 2"

Optolong

Product no.: 73721

Filters H-alpha 3nm 2"

~~RRP: $ 475.00~~ Our price:

$ 422.00 incl. VAT, plus shipping costs

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Product questions?

advice for Astronomy

Product description

H-alpha filter passes light at 656nm wavelength. Best choice of narrowband H-alpha astrophotography filter for high-contrast imaging and revealing rich details of the nebula even in areas with strong light pollution,

Specifications

Capacity

Connection ( to eyepiece)

2"

Frame

2"

passband (nm)

656

Half-value width (nm)

3

General

Type

Filters

Type of build

line filter

Area of application

Useful for photographs

yes

Anti light-pollution

yes

H-alpha

yes

Planetary nebulae

-

Supernova remains

yes

Visually useful

yes

Hydrogen nebulae

yes

Nebulae & galaxies

no

Optolong Filters H-alpha 3nm 2"

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